# Seaport Entertainment Group (SEG): who owns it

3 value investors held Seaport Entertainment Group in their Q3 2026 13F, led by Kahn Brothers, Pershing Square, Horizon Kinetics.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Kahn Brothers | 3.9% | $24.4m | Added +2.7% | 4 |
| Pershing Square | 0.7% | $134m | Unchanged | 8 |
| Horizon Kinetics | 0.0% | $1.1m | Trimmed -19% | 8 |

Source: SEC filings, via moatshark (https://www.moatshark.com/s/seg). Values traded and returns are estimates. Not investment advice. Built 2026-10-21.